In ultrasound systems,the analysis of inherent signal-to-noise(SNR) is one of the eternal *** signal improvements of approximately 10 times are theoretically possible for ultrasonic testing(UT) using coded *** applyin...
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In ultrasound systems,the analysis of inherent signal-to-noise(SNR) is one of the eternal *** signal improvements of approximately 10 times are theoretically possible for ultrasonic testing(UT) using coded *** applying the coded excitation into the ultrasoundpulse-echosystem,codes selection is important as the limited time duration of the transmission *** selected code sequences can hardly get a good auto-correlation *** earlier reports,a technique called Truncated Long Code(TLC) was proposed for dynamic signal detection [1][2][3].Good auto-correlation property has been acquired as the parameter estimation time window can be much longer than the single pulse *** this report,we use the same approach to form a multi-segment coding scheme to detect the stationary objects in ultrasoundpulse-echo *** importance of this study are to confirm the efficacy of this new scheme and try to find possible uses in biomedical and industrial applications as well.
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